dawn-cmake/test/tint/bug/tint/1086.wgsl.expected.msl
dan sinclair 6c167a0dc7 msl: Promote local private vars to function scope
If a module-scope private variable is only referenced within a single
function, promote it to a function scope declaration instead of
passing it as a parameter. This reduces the number of a function
parameters that are needed in some cases.

Bug: tint:1509
Change-Id: I8951f6216bc7e4cf5abfda314bea1e9ed3ded560
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94002
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-06-28 02:06:05 +00:00

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#include <metal_stdlib>
using namespace metal;
void x(thread float* const p) {
*(p) = 0.0f;
}
void g() {
thread float tint_symbol = 0.0f;
x(&(tint_symbol));
}
fragment void f() {
g();
return;
}